78th parallel south

78°

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78th parallel south

The 78th parallel south is a circle of latitude that is 78 degrees south of the Earth's equatorial plane in the Antarctic. The parallel passes through the Southern Ocean and Antarctica.

Around the world

Starting at the Prime Meridian and heading eastwards, the parallel 78° south passes through:

Coordinates	Continent or ocean	Notes
78°0′S0°0′E / 78.000°S 0.000°E / -78.000; 0.000 (Prime Meridian)	Antarctica	Queen Maud Land, claimed by   Norway
78°0′S45°0′E / 78.000°S 45.000°E / -78.000; 45.000		Western Australian Antarctic Territory, claimed by   Australia
78°0′S136°0′E / 78.000°S 136.000°E / -78.000; 136.000		Adélie Land, claimed by   France
78°0′S142°0′E / 78.000°S 142.000°E / -78.000; 142.000		Eastern Australian Antarctic Territory, claimed by   Australia
78°0′S160°0′E / 78.000°S 160.000°E / -78.000; 160.000		Ross Dependency, claimed by   New Zealand
78°0′S177°42′E / 78.000°S 177.700°E / -78.000; 177.700 (Southern Ocean)	Southern Ocean	Ross Sea, south of the Pacific Ocean
78°0′S160°26′W / 78.000°S 160.433°W / -78.000; -160.433	Antarctica	Ross Dependency, claimed by   New Zealand
78°0′S150°0′W / 78.000°S 150.000°W / -78.000; -150.000		Marie Byrd Land, Unclaimed territory
78°0′S90°0′W / 78.000°S 90.000°W / -78.000; -90.000		Antártica Chilena, claimed by   Chile
78°0′S80°0′W / 78.000°S 80.000°W / -78.000; -80.000		Territory claimed by   Chile and   United Kingdom (overlapping claims)
78°0′S74°0′W / 78.000°S 74.000°W / -78.000; -74.000		Territory claimed by   Argentina,   Chile and   United Kingdom (overlapping claims)
78°0′S53°0′W / 78.000°S 53.000°W / -78.000; -53.000		Territory claimed by   Argentina and   United Kingdom (overlapping claims)
78°0′S45°44′W / 78.000°S 45.733°W / -78.000; -45.733 (Southern Ocean)	Southern Ocean	Weddell Sea, south of the Atlantic Ocean
78°0′S42°7′W / 78.000°S 42.117°W / -78.000; -42.117	Antarctica	Territory claimed by   Argentina and   United Kingdom (overlapping claims)
78°0′S25°0′W / 78.000°S 25.000°W / -78.000; -25.000		British Antarctic Territory, claimed by   United Kingdom
78°0′S20°0′W / 78.000°S 20.000°W / -78.000; -20.000		Queen Maud Land, claimed by   Norway

See also

• 77th parallel south
• 79th parallel south